Astrology helps spot bipolarism. It's not a mental disorder. You were just dealt conflicting energies at birth and can't find an energetic middle ground.

Take Mariah. She's an Aries (impatient, childlike pioneer) with Sagittarius moon (humorous, spiritual moralist) double fire with Taurus rising (gluttonous, lazy natural singer) and Capricorn career sector (depressed workaholic with job longevity) double earth. Earth and fire do NOT mix well energetically.

Selena is a shy, sensitive Cancer (water), but when angry becomes her bratty, combative, me-first, impulsive Aries moon (fire). Water puts out fire. So, Selena likely juggles manic enthusiasm and hide-me-from-the-world depression. Add her health ailments and you can imagine her plight.

I wish them balance.